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a component with a 19 omega resistor is rated for use at power levels not exceeding 11 w how much current can safely
accomplished silver workers in india can pound silver intoincredibly thin sheets as thin as 30010-7 m find the area of
a small block with mass 250kg is attacked to a string passing through a hole in a frictionless horizontal surface the
a small 100-g bug stands at one end of a thin uniform bar that is initially at rest on a smooth horizontal table the
if 470 j of heat are added to 65 moles of a monatomic gas at constant volume how much does the temperature of the gas
please calculate the concentration in molesm3 of oxygen in the air 21 oxygen assuming it acts as an ideal gas at 20
a projectile proton with a speed of 350 ms collides elastically with a targetproton initially at rest the two protons
two blocks are moving along a horizontalfrictionless surface the 4 kg block is moving to the right with aspeed of 6 ms
a ball of mass 180 g is released from rest at a height of150 m above the floor and it rebounds straight up to a
a river flows from south to north at 525 kmh on this river a boat is heading eastto west perpendicular to the current
a suitcase full of platinum sits at thebottom of a lake a recovery diver finds that as he lifts thesuitcase to the
a piece of aluminum has a mass of23 g if this aluminum were formed into a very thin sheet ofthickness 049 mm find the
consider a box with a lid 22 m wide and088 m long if the inside of the box isevacuated ie its pressure is zero how much
an engineer is given the job of designing the water system for atall building he decides to locate the pumps at ground
you want to design a helium-filled balloon that will lift a totalpayload of 1350 kg what volume of heliumis needed to
a gold prospector finds a solid rock that is composed solely ofquartz and gold the mass and volume of the rock
a cylindrical storage tank has a radius of 125 m when filled to aheight of 328 m it holds 13300 kg of a liquid
in civil aviation a standard turn for level flight of apropeller driven airplane is one in which the airplane makes
rocio strikes a 058kg golf ball with a force of 272n and gives ita velocity of 620ms how long was ricio club in contact
you place 96 moles of hydrogen gas in aballoon of volume 26 m3 andfind the pressure to be 14 timesatmospheric pressure
lucy and her friend are working at an assembly plant marking wooden toy giraffes at the end of the line the giraffes go
the drawing shows a skateboarder moving at 598 ms along ahorizontal section of a track that is slanted upward by 438
a drop of water on a countertop reflects light from a flower held310 cm directly above it the flowersdiameter is 230 cm
a sled of mass 500 kg is pulled along flat snow-covered groundthe static friction coefficient is 030 and the kinetic
after landing on an unfamiliar planet a space explorer constructsa simple pendulum of length 500 cm the explorer finds